public Size MagicScalerResize()
{
// stride is width * bytes per pixel (3 for BGR), rounded up to the nearest multiple of 4
const uint stride = ResizedWidth * 3u + 3u & ~3u;
const uint bufflen = ResizedHeight * stride;
var settings = new ProcessImageSettings
{
Width = ResizedWidth,
Height = ResizedHeight,
Sharpen = false
};
using (var pixels = new TestPatternPixelSource(Width, Height, PixelFormats.Bgr24bpp))
using (var pipeline = MagicImageProcessor.BuildPipeline(pixels, settings))
{
var rect = new Rectangle(0, 0, ResizedWidth, ResizedHeight);
var buffer = ArrayPool <byte> .Shared.Rent((int)bufflen);
pipeline.PixelSource.CopyPixels(rect, (int)stride, new Span <byte>(buffer, 0, (int)bufflen));
ArrayPool <byte> .Shared.Return(buffer);
return(rect.Size);
}
}
public void MagicScalerResize()
{
// stride is width * bytes per pixel (3 for BGR), rounded up to the nearest multiple of 4
const uint stride = ResizedWidth * 3u + 3u & ~3u;
const uint bufflen = ResizedHeight * stride;
var pixels = new TestPatternPixelSource(Width, Height, PixelFormats.Bgr24bpp);
var settings = new ProcessImageSettings
{
Width = ResizedWidth,
Height = ResizedHeight
};
using (var pipeline = MagicImageProcessor.BuildPipeline(pixels, settings))
{
var rect = new System.Drawing.Rectangle(0, 0, ResizedWidth, ResizedHeight);
var buffer = Marshal.AllocHGlobal((int)bufflen);
pipeline.PixelSource.CopyPixels(rect, stride, bufflen, buffer);
Marshal.FreeHGlobal(buffer);
}
}
